Input the messages of five students(StudentID Name Math English Computer )

StuID	Name	Math	Eng	Com	Total	Average
1001	Andy	89	90	93	272	90.7
1002	Mary	93	95	98	286	95.3
1003	Luis	90	85	98	273	91.0
1004	Sam	91	95	98	284	94.7

1005 Lily 87 98 99 284 94.7

#include<iostream>
#include<cstdio>
#include<cstring>
using namespace std;

class student
{
private:
	int n,m,e,c;
	char name[11];
public:
	int sum();
	double average();
	void input();
	void output();
};

int student :: sum()
{
	return (m + e + c);
}

double student :: average()
{
	return ((m + e + c) / 3.0);
}

void student :: input()
{
	cin>>n>>name>>m>>e>>c;
}

void student :: output()
{
	cout<<n<<'\t'<<name<<'\t'<<m<<'\t'<<e<<'\t'<<c<<'\t'<<sum()<<'\t';
	printf("%.1lf\n",average());
}

int main()
{
	int i;
	student s[5];
	for(i = 0;i < 5;i++)
		s[i].input();
	cout<<"Input the messages of five students(StudentID Name Math English Computer )"<<endl;
	cout<<endl;
	cout<<"StuID"<<'\t'<<"Name"<<'\t'<<"Math"<<'\t'<<"Eng"<<'\t'<<"Com"<<'\t'<<"Total"<<'\t'<<"Average"<<endl;
	for(i = 0;i < 5;i++)
		s[i].output();
	return 0;
}